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Old April 8, 2014, 04:53 AM   #38
Mike Irwin
Join Date: April 13, 2000
Location: Northern Virginia
Posts: 39,937
I should have noted that I was using IMR-4064, a long stick powder, and a charge that filled about 85% of the case. It was a load that was near the bottom of the power spectrum, but it was a tack driver.

It wasn't necessary with loads that were near 100% capacity or which were slightly compressed. Those types of loads benefit from being loaded with a drop tube to get the most consistent loading density.

With the load I was using, tapping the box on the bench reoriented the powder and compacted it uniformly.

With a short cut stick powder, or with a ball powder like one of Winchester's, those powders tend to reorient and compact naturally and easily.
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